Particulate metering air chamber



FIG. 1 is a perspective view of a particulate metering air chamber showing our new designs;

FIG. 2 is a left side view of the particulate metering air chamber shown in FIG. 1;

FIG. 3 is a right side view of the particulate metering air chamber shown in FIG. 1;

FIG. 4 is a top view of the particulate metering air chamber shown in FIG. 1;

FIG. 5 is a bottom view of the particulate metering air chamber shown in FIG. 1;

FIG. 6 is a front view of the particulate metering air chamber shown in FIG. 1;

FIG. 7 is a back view of the particulate metering air chamber shown in FIG. 1; and,

FIG. 8 is a section view of the right side of the particulate metering air chamber shown in FIG. 1 taken along line 8. 

CLAIM The ornamental design for a particulate metering air chamber, as shown and described. 